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PARAMETRIC SURFACES FOR AUGMENTED ARCHITECTURE REPRESENTATION
3D modeling Parametric surfaces Normal distribution Complex architecture Augmented Reality
2019/3/4
Augmented Reality (AR) represents a growing communication channel, responding to the need to expand reality with additional information, offering easy and engaging access to digital data. AR for archi...
WOODEN TRUSSES RECONSTRUCTION AND ANALYSIS THROUGH PARAMETRIC 3D MODELING
Building heritage Terrestrial Laser Scanning Generative algorithms Structural systems reverse engineering Cloud to 3D model comparison
2019/3/4
This paper aims to indicate a new methodological approach, based on generative algorithms, to attempt a more in-depth and transversal understanding of the behavior of these wooden structures. The deve...
Phase-Matching and Parametric Conversion for the Mid-Infrared in As2S3 Waveguides
As2S3 Mid-Infrared Phase-Matching Four-Wave Mixing
2013/1/30
We illustrate two As2S3 waveguide designs for four-wave mixing, which can generate 3.03 μm mid-infrared light from a 1.55 μm near-infrared signal source and a 2.05 μm pump source. Through simulations,...
Extracavity Parametric Oscillation with Continuous and/or Discontinuous Frequency Tuning
Optical Parametric Oscillator Fabry-Perot Etalon Analog-Digital Converter
2013/1/30
A continuously or/and discontinuously tunable LiNbO3 Optical Parametric Oscillator (OPO) with the spectral range of 1.42 - 4.24 um and shifting of 0…12 nm is created and investigated. The OPO resonato...
Advanced Fiber Optic Parametric Synthesis and Characterization
Fiber optics amplifier oscillators Nonlinear optics parametric processes
2015/5/26
Fiber parametric mixer devices posses the highest figure of merit in any technology,allowing for superior performance with respect to gain, noise and conversion efficiency in both incoherent and coher...
Self-seeded 1-to-60 Multicasting in a Two-pump Parametric Mixer
Nonlinear optics parametric processes Networks multicast
2015/5/26
We demonstrate a new multicasting scheme requiring only two CW tones to deliver spectrally-distinct copies of the input channel. 1-to-60 multicasting operation was achieved with 28 mW per-copy power e...
Widely-Tunable Continuous-Wave Single-Longitudinal- Mode Fiber Optical Parametric Oscillator
Nonlinear Optics fibers Nonlinear optics four-wave mixing
2015/5/26
A continuous-wave fiber optical parametric oscillator with a tunability of 114 nm, a wavelength span of 143 nm and single-longitudinal-mode oscillation is demonstrated. The short-term linewidth of the...
Evaluation of a Fiber-Optic Parametric Amplifier with Optical Feedback in Multi-Channel Dynamic Networks
Networks Parametric oscillators amplifiers
2015/5/26
We investigate the feasibility of optical gain-clamping a fiber-optic parametric-amplifier to prevent cross gain saturation in multi-channel systems. We measure only moderate improvement but identify ...
Evaluation of a Fiber-Optic Parametric Amplifier with Optical Feedback in Multi-Channel Dynamic Networks
Networks Parametric oscillators amplifiers
2015/5/26
We investigate the feasibility of optical gain-clamping a fiber-optic parametric-amplifier to prevent cross gain saturation in multi-channel systems. We measure only moderate improvement but identify ...
Two-Pump Distributed Parametric Amplification for Optically Powered Communication System
Fiber optics amplifiers oscillators Nonlinear optics parametric processes
2015/5/25
We demonstrate a power-efficient two-pump distributed parametric amplification(DPA) system. The residual pumps are recycled to power up the receiving component. At the BER of 10 −9 , power penal...
Linearized Parametric Gate for Real-Time Photonic- Sampled Analog-to-Digital Conversion
Analog optical signal processing Parametric processes Nonlinear optics four-wave mixing
2015/5/22
A linearized parametric sampling gate was constructed to explore its performance limits in an analog-to-digital conversion (ADC) architecture. Linear response of the sampling gate can be achieved both...
Phase Sensitive Degenerate Parametric Amplification Using Highly Efficient PPLN Ridge Waveguides
Nonlinear optics parametric processes Lithium niobate
2015/5/22
We constructed the first CW pumped degenerate parametric amplifier based on PPLN waveguides. We successfully demonstrated an in-phase gain of +11 dB and the phase sensitive amplification of a modulate...
320 Gb/s RZ-DPSK Data Multicasting in Self Seeded Parametric Mixer
RZ-DPSK Data Multicasting Self Seeded Parametric Mixer
2015/5/21
We report first experimental demonstration of 320Gb/s RZ-DPSK wavelength multicasting in self-seeded parametric mixer free of Brillouin backscatter. High efficienty multicaster operated without pump p...
10Gbps Parametric Short-Wave Infrared Transmitter
10Gbps Parametric Short-Wave Infrared Transmitter
2015/5/21
We demonstrate the first 10Gb/s parametric transmitter in short-wave Infrared band.The device operates by converting 1278nm signal over 85THz to generate channel at 2002nm using highly-nonlinear-fiber...
Parametric Amplification of 112 Gbit/s Polarization Multiplexed DQPSK Signals in a Fiber Loop Configuration
Parametric Amplification Polarization Multiplexed DQPSK Signals Fiber Loop Configuration
2015/5/21
Parametric amplification of 112-Gbit/s-33%-RZ-DQPSK signals with 20 dB on-off- gain is shown using highly nonlinear fiber in a polarization diversity configuration. The measured OSNR penalty at a BER ...